| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Jinhao Chem | China national standards | MT | 1114.94 | USD | 20251118 |
| Shandong Langchem | China national standards | MT | 1143.16 | USD | 20251118 |
| Shandong Langchem | China national standards | MT | 987.92 | USD | 20251118 |
| Shandong Langchem | China national standards | MT | 1058.48 | USD | 20251118 |
| Shandong Yeyang Chem | China national standards | MT | 790.34 | USD | 20251118 |
| Shandong Yihe Chem | China national standards | MT | 790.34 | USD | 20251118 |
| Aite Zhejiang | China national standards | MT | 889.13 | USD | 20251118 |
| Sinopec | China national standards | MT | 790.34 | USD | 20251118 |
| Sinopec | China national standards | MT | 790.34 | USD | 20251118 |
| Sinopec | China national standards | MT | 790.34 | USD | 20251118 |